To these you can add:
Align Symbol JAM8
Drawing Title RND9
Elev Marker JM9
Joist Note JAM9
Note Column JAM9
Footing Stepped JM9
Stud Wall Detail JM9
Gutter JAM8
Insulation Batt MTL8
Rod+Shelf JM9
Railing JM9
All the wood and steel beams
Anything made from the Miter Object Template JAM9
If you see an object that should have detectable edges and doesn't, let me know.
